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_UPNP_IsPortUsed Scol 5.x or above required

Checks if a port is already used on the Internet Gateway Device.

Prototype :

fun [I I] I

• I : Port number.
• I : Protocol.

Return : I 1 if port is already defined, 0 if it's free to use.

See also :

Example :

Note

Warning : this function is defined on MS Windows Scol version only !